Kathleen Houghton

Companies

• HUDSON TECHNOLOGIES INC /NYBoard member Feb 28, 2024 to now¹
• HUDSON TECHNOLOGIES INC /NYVP - Sales and Marketing Sep 16, 2020 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• HTHUDSON TECHNOLOGIES INC /NY HDSN158,618 shares³$812.9K at $5.12Jan 8, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jan 8, 2026Shares withheld for tax 34,382 shares at $7.10 of HUDSON TECHNOLOGIES INC /NY³
• Jan 8, 2026Exercised options 50,888 shares at $3.81 of HUDSON TECHNOLOGIES INC /NY³
• Jan 8, 2026Shares withheld for tax 21,797 shares at $7.10 of HUDSON TECHNOLOGIES INC /NY³
• Jan 8, 2026Exercised options 47,619 shares at $1.60 of HUDSON TECHNOLOGIES INC /NY³
• Jan 8, 2026Shares withheld for tax 44,873 shares at $7.10 of HUDSON TECHNOLOGIES INC /NY³
• Jan 8, 2026Exercised options 120,000 shares at $0.75 of HUDSON TECHNOLOGIES INC /NY³
• Feb 3, 2022Shares withheld for tax 12,259 shares at $3.73 of HUDSON TECHNOLOGIES INC /NY⁴
• Feb 3, 2022Exercised options 20,000 shares at $1.25 of HUDSON TECHNOLOGIES INC /NY⁴
• Jun 9, 2021Sold 1,094 shares at $2.95 of HUDSON TECHNOLOGIES INC /NY⁵
• Jun 9, 2021Sold 2,701 shares at $2.96 of HUDSON TECHNOLOGIES INC /NY⁵
• Jun 9, 2021Sold 2,890 shares at $2.97 of HUDSON TECHNOLOGIES INC /NY⁵